﻿<%@ Page Language="C#" AutoEventWireup="true" CodeFile="customermodifyupload.aspx.cs" Inherits="customermodifyupload" %>
<!DOCTYPE html>
<html lang="zh-CN">
<head runat="server">
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>WebUploader</title>
    <link rel="stylesheet" type="text/css" href="/Public/Home/webuploader/uploader.css" />    
</head>
<body>
<form id="form1" runat="server">  
    <div id="wrapper">
        <div id="container">
            <!--头部，相册选择和格式选择-->
            <div id="uploader">
                <div class="queueList" style="margin:20px 12px 0 20px;">
                    <div id="dndArea" class="placeholder" style="margin-bottom:20px;margin-right:12px; ">
                        <div id="filePicker"></div>
                        <p style="padding-bottom:20px;line-height:30px;">单次最多可选21张，单张图片不能超过10M，尽量上传jpg图片<br />为了保证报告的存储质量，请上传<font color="#F00;">1240*1754</font>及以上分辨率的图片。</p>
                    </div>
                </div>
                <div class="statusBar" style="display:none;">
                    <div class="progress">
                        <span class="text">0%</span>
                        <span class="percentage"></span>
                    </div><div class="info"></div>
                    <div class="btns">
                        <div id="filePicker2"></div><div class="uploadBtn">开始上传</div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script type="text/javascript" src="/Public/Home/js/jquery.js"></script>
    <script type="text/javascript" src="/Public/Home/webuploader/webuploader.min.js"></script>
    <script type="text/javascript">
        (function ($) {
            // 当domReady的时候开始初始化
            $(function () {
                var $wrap = $('#uploader'),
                    // 图片容器
                    $queue = $('<ul class="filelist" style="display:block;"></ul>')
                        .appendTo($wrap.find('.queueList')),
                    // 状态栏，包括进度和控制按钮
                    $statusBar = $wrap.find('.statusBar'),
                    // 文件总体选择信息。
                    $info = $statusBar.find('.info'),
                    // 上传按钮
                    $upload = $wrap.find('.uploadBtn'),
                    // 没选择文件之前的内容。
                    $placeHolder = $wrap.find('.placeholder'),
                    $progress = $statusBar.find('.progress').hide(),
                    // 添加的文件数量
                    fileCount = 0,
                    // 添加的文件总大小
                    fileSize = 0,
                    // 优化retina, 在retina下这个值是2
                    ratio = window.devicePixelRatio || 1,
                    // 缩略图大小
                    thumbnailWidth = 110 * ratio,
                    thumbnailHeight = 110 * ratio,
                    // 可能有pedding, ready, uploading, confirm, done.
                    state = 'pedding',
                    // 所有文件的进度信息，key为file id
                    percentages = {},
                    // 判断浏览器是否支持图片的base64
                    isSupportBase64 = (function () {
                        var data = new Image();
                        var support = true;
                        data.onload = data.onerror = function () {
                            if (this.width != 1 || this.height != 1) {
                                support = false;
                            }
                        }
                        data.src = "";
                        return support;
                    })(),
                    // 检测是否已经安装flash，检测flash的版本
                    flashVersion = (function () {
                        var version;
                        try {
                            version = navigator.plugins['Shockwave Flash'];
                            version = version.description;
                        } catch (ex) {
                            try {
                                version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
                                        .GetVariable('$version');
                            } catch (ex2) {
                                version = '0.0';
                            }
                        }
                        version = version.match(/\d+/g);
                        return parseFloat(version[0] + '.' + version[1], 10);
                    })(),
                    supportTransition = (function () {
                        var s = document.createElement('p').style,
                            r = 'transition' in s ||
                                    'WebkitTransition' in s ||
                                    'MozTransition' in s ||
                                    'msTransition' in s ||
                                    'OTransition' in s;
                        s = null;
                        return r;
                    })(),
                    // WebUploader实例
                    uploader;
                if (!WebUploader.Uploader.support('flash') && WebUploader.browser.ie) {
                    // flash 安装了但是版本过低。
                    if (flashVersion) {
                        (function (container) {
                            window['expressinstallcallback'] = function (state) {
                                switch (state) {
                                    case 'Download.Cancelled':
                                        frameElement.api.opener.$.dialog.tips('您取消了更新', 2, 'error.gif');
                                        break;

                                    case 'Download.Failed':
                                        frameElement.api.opener.$.dialog.tips('安装失败', 2, 'error.gif');
                                        break;

                                    default:
                                        frameElement.api.opener.$.dialog.tips('安装已成功，请刷新页面', 2, 'error.gif');
                                        break;
                                }
                                delete window['expressinstallcallback'];
                            };
                            var swf = './expressInstall.swf';
                            // insert flash object
                            var html = '<object type="application/' +
                                    'x-shockwave-flash" data="' + swf + '" ';

                            if (WebUploader.browser.ie) {
                                html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
                            }
                            html += 'width="100%" height="100%" style="outline:0">' +
                                '<param name="movie" value="' + swf + '" />' +
                                '<param name="wmode" value="transparent" />' +
                                '<param name="allowscriptaccess" value="always" />' +
                            '</object>';

                            container.html(html);

                        })($wrap);
                        // 压根就没有安转。
                    } else {
                        $wrap.html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img alt="get flash player" src="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');
                    }
                    return;
                } else if (!WebUploader.Uploader.support()) {
                    frameElement.api.opener.$.dialog.tips('上传插件不支持您的浏览器', 2, 'error.gif');
                    return;
                }
                // 实例化
                uploader = WebUploader.create({
                    pick: {
                        id: '#filePicker',
                        label: '点击选择图片'
                    },
                    formData: { id_batch:"<asp:Literal ID="id_batch" runat="server"></asp:Literal>", fb:"<asp:Literal ID="fb_batch" runat="server"></asp:Literal>" },
                    dnd: '#dndArea',
                    paste: '#uploader',
                    swf: '/Public/Home/webuploader/Uploader.swf',
                    server: '/base/customermodifyupload.ashx',
                    //server: '/base/fileup.aspx',
                    accept: {
                        title: '图片/pdf文件',
                        extensions: 'gif,jpg,jpeg,bmp,png,pdf,tif',
                        mimeTypes: 'image/*,application/pdf,tif'
                    },
                    resize: false,
                    compress: {
                        width: 2480,
                        height: 3415,
                        quality: 10,// 图片质量，只有type为`image/jpeg`的时候才有效。
                        allowMagnify: false,// 是否允许放大，如果想要生成小图的时候不失真，此选项应该设置为false.                   
                        crop: false,// 是否允许裁剪。
                        preserveHeaders: true,// 是否保留头部meta信息。
                        // 如果发现压缩后文件大小比原来还大，则使用原来图片
                        // 此属性可能会影响图片自动纠正功能
                        noCompressIfLarger: false,
                        // 单位字节，如果图片大小小于此值，不会采用压缩。
                        compressSize: 2 * 1024 * 1024
                    },
                    disableGlobalDnd: true,// 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
                    fileNumLimit: 21,
                    fileSizeLimit: 210 * 1024 * 1024,    // 50 M
                    fileSingleSizeLimit: 10 * 1024 * 1024,    // 10M
                    threads:1
                });
                // 拖拽时不接受 js, txt 文件。
                uploader.on('dndAccept', function (items) {
                    var denied = false,
                        len = items.length,
                        i = 0,
                        // 修改js类型
                        unAllowed = 'text/plain;application/javascript ';
                    for (; i < len; i++) {
                        // 如果在列表里面
                        if (~unAllowed.indexOf(items[i].type)) {
                            denied = true;
                            break;
                        }
                    }
                    return !denied;
                });
                // 添加“添加文件”的按钮，
                uploader.addButton({
                    id: '#filePicker2',
                    label: '继续添加'
                });

                uploader.on('ready', function () {
                    window.uploader = uploader;
                });

                // 当有文件添加进来时执行，负责view的创建
                function addFile(file) {
                    var $li = $('<li style="width:100px;" id="' + file.id + '">' +
                            '<p class="title">' + file.name + '</p>' +
                            '<p class="imgWrap"></p>' +
                            '<p class="progress"><span></span></p>' +
                            '</li>'),

                        $btns = $('<div class="file-panel">' +
                            '<span class="cancel">删除</span>' +
                            '<span class="rotateRight">向右旋转</span>' +
                            '<span class="rotateLeft">向左旋转</span></div>').appendTo($li),
                        $prgress = $li.find('p.progress span'),
                        $wrap = $li.find('p.imgWrap'),
                        $info = $('<p class="error"></p>'),

                        showError = function (code) {
                            switch (code) {
                                case 'exceed_size':
                                    text = '文件大小超出';
                                    break;

                                case 'interrupt':
                                    text = '上传暂停';
                                    break;

                                default:
                                    text = '上传失败，请重试';
                                    break;
                            }

                            $info.text(text).appendTo($li);
                        };

                    if (file.getStatus() === 'invalid') {
                        showError(file.statusText);
                    } else {
                        // @todo lazyload
                        $wrap.text('预览中');
                        uploader.makeThumb(file, function (error, src) {
                            var img;

                            if (error) {
                                $wrap.text('不能预览');
                                return;
                            }

                            if (isSupportBase64) {
                                img = $('<img src="' + src + '">');
                                $wrap.empty().append(img);
                            } else {
                                $.ajax('/base/preview.html', {
                                    method: 'POST',
                                    data: src,
                                    dataType: 'json'
                                }).done(function (response) {
                                    if (response.result) {
                                        img = $('<img src="' + response.result + '">');
                                        $wrap.empty().append(img);
                                    } else {
                                        $wrap.text("预览出错");
                                    }
                                });
                            }
                        }, thumbnailWidth, thumbnailHeight);

                        percentages[file.id] = [file.size, 0];
                        file.rotation = 0;
                    }

                    file.on('statuschange', function (cur, prev) {
                        if (prev === 'progress') {
                            $prgress.hide().width(0);
                        } else if (prev === 'queued') {
                            $li.off('mouseenter mouseleave');
                            $btns.remove();
                        }

                        // 成功
                        if (cur === 'error' || cur === 'invalid') {
                            console.log(file.statusText);
                            showError(file.statusText);
                            percentages[file.id][1] = 1;
                        } else if (cur === 'interrupt') {
                            showError('interrupt');
                        } else if (cur === 'queued') {
                            $info.remove();
                            $prgress.css('display', 'block');
                            percentages[file.id][1] = 0;
                        } else if (cur === 'progress') {
                            $info.remove();
                            $prgress.css('display', 'block');
                        } else if (cur === 'complete') {
                            $prgress.hide().width(0);
                            $li.append('<span class="success"></span>');
                        }

                        $li.removeClass('state-' + prev).addClass('state-' + cur);
                    });

                    $li.on('mouseenter', function () {
                        $btns.stop().animate({ height: 30 });
                    });

                    $li.on('mouseleave', function () {
                        $btns.stop().animate({ height: 0 });
                    });

                    $btns.on('click', 'span', function () {
                        var index = $(this).index(),
                            deg;

                        switch (index) {
                            case 0:
                                uploader.removeFile(file);
                                return;

                            case 1:
                                file.rotation += 90;
                                break;

                            case 2:
                                file.rotation -= 90;
                                break;
                        }

                        if (supportTransition) {
                            deg = 'rotate(' + file.rotation + 'deg)';
                            $wrap.css({
                                '-webkit-transform': deg,
                                '-mos-transform': deg,
                                '-o-transform': deg,
                                'transform': deg
                            });
                        } else {
                            $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
                        }
                    });
                    $li.appendTo($queue);
                }

                // 负责view的销毁
                function removeFile(file) {
                    var $li = $('#' + file.id);
                    delete percentages[file.id];
                    updateTotalProgress();
                    $li.off().find('.file-panel').off().end().remove();
                }

                function updateTotalProgress() {
                    var loaded = 0,
                        total = 0,
                        spans = $progress.children(),
                        percent;
                    $.each(percentages, function (k, v) {
                        total += v[0];
                        loaded += v[0] * v[1];
                    });
                    percent = total ? loaded / total : 0;
                    spans.eq(0).text(Math.round(percent * 100) + '%');
                    spans.eq(1).css('width', Math.round(percent * 100) + '%');
                    updateStatus();
                }

                function updateStatus() {
                    var text = '', stats;
                    if (state === 'ready') {
                        text = '已选择' + fileCount + '张图片，共' +
                                WebUploader.formatSize(fileSize) + '。';
                    } else if (state === 'confirm') {
                        stats = uploader.getStats();
                        if (stats.uploadFailNum) {
                            text = '已成功上传' + stats.successNum + '张图片，' +
                                stats.uploadFailNum + '张图片上传失败，<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
                        }
                    } else {
                        stats = uploader.getStats();
                        text = '共' + fileCount + '张（' +
                                WebUploader.formatSize(fileSize) +
                                '），已上传' + stats.successNum + '张';

                        if (stats.uploadFailNum) {
                            text += '，失败' + stats.uploadFailNum + '张';
                        }
                    }
                    $info.html(text);
                }

                function setState(val) {
                    var file, stats;

                    if (val === state) {
                        return;
                    }
                    $upload.removeClass('state-' + state);
                    $upload.addClass('state-' + val);
                    state = val;

                    switch (state) {
                        case 'pedding':
                            $placeHolder.removeClass('element-invisible');
                            $queue.hide();
                            $statusBar.addClass('element-invisible');
                            uploader.refresh();
                            break;

                        case 'ready':
                            $placeHolder.addClass('element-invisible');
                            $('#filePicker2').removeClass('element-invisible');
                            $queue.show();
                            $statusBar.removeClass('element-invisible');
                            uploader.refresh();
                            break;

                        case 'uploading':
                            $('#filePicker2').addClass('element-invisible');
                            $progress.show();
                            $upload.text('暂停上传');
                            break;

                        case 'paused':
                            $progress.show();
                            $upload.text('继续上传');
                            break;

                        case 'confirm':
                            $progress.hide();
                            $('#filePicker2').removeClass('element-invisible');
                            $upload.text('开始上传');

                            stats = uploader.getStats();
                            if (stats.successNum && !stats.uploadFailNum) {
                                setState('finish');
                                return;
                            }
                            break;
                        case 'finish':
                            stats = uploader.getStats();
                            if (stats.successNum) {
                                frameElement.api.opener.$.dialog.tips('上传成功', 1, 'success.gif', function () {
                                    parent.location.href = '/member/customermodify.aspx?id=<asp:Literal ID="batch" runat="server"></asp:Literal>';
                                });
                            } else {
                                // 没有成功的图片，重设
                                state = 'done';
                                location.reload();
                            }
                            break;
                    }

                    updateStatus();
                }

                uploader.onUploadProgress = function (file, percentage) {
                    var $li = $('#' + file.id),
                        $percent = $li.find('.progress span');

                    $percent.css('width', percentage * 100 + '%');
                    percentages[file.id][1] = percentage;
                    updateTotalProgress();
                };

                uploader.onFileQueued = function (file) {
                    fileCount++;
                    fileSize += file.size;

                    if (fileCount === 1) {
                        $placeHolder.addClass('element-invisible');
                        $statusBar.show();
                    }

                    addFile(file);
                    setState('ready');
                    updateTotalProgress();
                };
                uploader.onFileDequeued = function (file) {
                    fileCount--;
                    fileSize -= file.size;

                    if (!fileCount) {
                        setState('pedding');
                    }

                    removeFile(file);
                    updateTotalProgress();

                };

                uploader.on('all', function (type) {
                    var stats;
                    switch (type) {
                        case 'uploadFinished':
                            setState('confirm');
                            break;

                        case 'startUpload':
                            setState('uploading');
                            break;

                        case 'stopUpload':
                            setState('paused');
                            break;

                    }
                });

                uploader.onError = function (code) {
                    if (code == 'Q_EXCEED_NUM_LIMIT') {
                        frameElement.api.opener.$.dialog.tips('一次上传不得超过21张图片', 2, 'error.gif');
                    } else if (code == 'F_EXCEED_SIZE' || code == 'Q_EXCEED_SIZE_LIMIT') {
                        frameElement.api.opener.$.dialog.tips('上传的图片不能超过10M', 2, 'error.gif');
                    } else if (code == 'F_DUPLICATE') {
                        frameElement.api.opener.$.dialog.tips('该文件已添加', 2, 'error.gif');
                    } else {
                        frameElement.api.opener.$.dialog.tips('Eroor: ' + code, 2, 'error.gif');
                    }
                };

                $upload.on('click', function () {
                    if ($(this).hasClass('disabled')) {
                        return false;
                    }

                    if (state === 'ready') {
                        uploader.upload();
                    } else if (state === 'paused') {
                        uploader.upload();
                    } else if (state === 'uploading') {
                        uploader.stop();
                    }
                });

                $info.on('click', '.retry', function () {
                    uploader.retry();
                });

                $upload.addClass('state-' + state);
                updateTotalProgress();
            });

        })(jQuery);
    </script>
 </form>
</body>
</html>